Merge pull request #49 from RT-Thread/master

update

Author: mysterywolf

bsp/stm32/stm32l475-atk-pandora/board/ports/drv_lcd.c

@@ -446,18 +446,33 @@ void lcd_draw_line(rt_uint16_t x1, rt_uint16_t y1, rt_uint16_t x2, rt_uint16_t y
     if (y1 == y2)
     {
         /* fast draw transverse line */
-        lcd_address_set(x1, y1, x2, y2);
+        rt_uint32_t x_offset = 0;
+        if (x1 < x2)
+        {
+            x_offset = x2 - x1;
+            lcd_address_set(x1, y1, x2, y2);
+        }
+        else if (x1 > x2)
+        {
+            x_offset = x1 - x2;
+            lcd_address_set(x2, y2, x1, y1);
+        }
+        else
+        {
+            lcd_draw_point(x1, y1);
+            return;
+        }
 
         rt_uint8_t line_buf[480] = {0};
 
-        for (i = 0; i < x2 - x1; i++)
+        for (i = 0; i < x_offset; i++)
         {
             line_buf[2 * i] = FORE_COLOR >> 8;
             line_buf[2 * i + 1] = FORE_COLOR;
         }
 
         rt_pin_write(LCD_DC_PIN, PIN_HIGH);
-        rt_spi_send(spi_dev_lcd, line_buf, (x2 - x1) * 2);
+        rt_spi_send(spi_dev_lcd, line_buf, x_offset * 2);
 
         return ;
     }

src/clock.c

@@ -13,7 +13,8 @@
  * 2010-07-13     Bernard      fix rt_tick_from_millisecond issue found by kuronca
  * 2011-06-26     Bernard      add rt_tick_set function.
  * 2018-11-22     Jesven       add per cpu tick
- * 2020-12-29     Meco Man     add function rt_tick_get_millisecond()
+ * 2020-12-29     Meco Man     implement rt_tick_get_millisecond()
+ * 2021-06-01     Meco Man     add critical section projection for rt_tick_increase()
  */
 
 #include <rthw.h>

src/idle.c

@@ -202,12 +202,14 @@ static void rt_thread_idle_entry(void *parameter)
     {
 #ifdef RT_USING_IDLE_HOOK
         rt_size_t i;
+        void (*idle_hook)(void);
 
         for (i = 0; i < RT_IDLE_HOOK_LIST_SIZE; i++)
         {
-            if (idle_hook_list[i] != RT_NULL)
+            idle_hook = idle_hook_list[i];
+            if (idle_hook != RT_NULL)
             {
-                idle_hook_list[i]();
+                idle_hook();
             }
         }
 #endif

src/ipc.c

@@ -39,7 +39,6 @@
  * 2020-10-11     Meco Man     add value overflow-check code
  * 2021-01-03     Meco Man     implement rt_mb_urgent()
  * 2021-05-30     Meco Man     implement rt_mutex_trytake()
- * 2021-01-20     hupu         fix priority inversion bug of mutex
  */
 
 #include <rtthread.h>

src/mem.c

@@ -250,7 +250,7 @@ void rt_system_heap_init(void *begin_addr, void *end_addr)
     rt_mem_setname(heap_end, "INIT");
 #endif
 
-    rt_sem_init(&heap_sem, "heap", 1, RT_IPC_FLAG_FIFO);
+    rt_sem_init(&heap_sem, "heap", 1, RT_IPC_FLAG_PRIO);
 
     /* initialize the lowest-free pointer to the start of the heap */
     lfree = (struct heap_mem *)heap_ptr;

src/memheap.c

@@ -155,7 +155,7 @@ rt_err_t rt_memheap_init(struct rt_memheap *memheap,
     item->next_free = item->prev_free = RT_NULL;
 
     /* initialize semaphore lock */
-    rt_sem_init(&(memheap->lock), name, 1, RT_IPC_FLAG_FIFO);
+    rt_sem_init(&(memheap->lock), name, 1, RT_IPC_FLAG_PRIO);
 
     RT_DEBUG_LOG(RT_DEBUG_MEMHEAP,
                  ("memory heap: start addr 0x%08x, size %d, free list header 0x%08x\n",

src/slab.c

@@ -363,7 +363,7 @@ void rt_system_heap_init(void *begin_addr, void *end_addr)
     npages  = limsize / RT_MM_PAGE_SIZE;
 
     /* initialize heap semaphore */
-    rt_sem_init(&heap_sem, "heap", 1, RT_IPC_FLAG_FIFO);
+    rt_sem_init(&heap_sem, "heap", 1, RT_IPC_FLAG_PRIO);
 
     RT_DEBUG_LOG(RT_DEBUG_SLAB, ("heap[0x%x - 0x%x], size 0x%x, 0x%x pages\n",
                                  heap_start, heap_end, limsize, npages));